Once a fortnight (or more often in warmer weather), add 500 grams per 10,000 gallons of pool water. If algae is present you may need to double or even treble the recommended dose.

Spa Dose

Not suitable for spas.

Dosing Method

The granules are dissolved in a bucket of warm water and distributed around the pool or poured into the skimmer basket. Make sure your skimmer basket is free from all other types of chlorine before pouring it in.